The flag of Madagascar has an aspect ratio of 2:3. It is divided into two main parts: a vertical white stripe on the hoist side, and a horizontal bicolour band on the fly side with red on top and green below.

Exact color codes: White - HEX #FFFFFF, RGB(255, 255, 255) Red - HEX #B40D1A, RGB(180, 13, 26) Green - HEX #007E3A, RGB(0, 126, 58)

The width of the vertical white stripe is equal to half the height of the flag, while the combined width of the horizontal red and green bands is equal to the length of the flag. The red and green bands are of equal width, each occupying half of the fly's height.